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Health
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What is dementia? - Alzheimer's Society dementia brain video
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http://www.alzheimers.org.uk
This film explains and defines what dementia is, and how it affects the brain.
TRANSCRIPT:
"Dementia affects over 750,000 people in the UK. It is not a disease in its own right and it is not a natural part of ageing. It is an umbrella term that describes a large group of symptoms that are caused by diseases that affect the brain, such as Alzheimer's disease.
Dementia is caused by a loss of nerve cells in the brain. It is a progressive condition, meaning that it gradually gets worse. This is because when a nerve cell dies it cannot usually be replaced. As more and more cells die the brain starts to shrink. This is known as brain atrophy, which can sometimes be seen in a brain scan of someone in the later stages of dementia.
Common symptoms of dementia include memory loss, impaired cognition and loss of physical coordination. However, the symptoms depend on the area of the brain that is affected.
For example, if nerve cells in the temporal lobe start to die, that person may start to have difficulties in their language, while nerve cell death in the occipital lobe, at the back of the brain, can cause problems with vision.
Sadly there is currently no cure for dementia and many of the diseases that cause it are terminal. The cerebellum and brain stem control our basic life functions. If cells die in these areas, the body will start to shut down."
Please watch our other videos to see how brain cells function, hear what dementia is, and to hear more about Alzheimer's disease, Posterior Cortical Atrophy, vascular dementia, dementia with Lewy bodies, fronto-temporal dementia and other rarer causes of dementia.
Alzheimer's Society is dedicated to defeating dementia through research. Our unique research programme funds research into the cause, cure, care and prevention of dementia to improve treatment for people today and to search for a cure for tomorrow.
We are the only organisation to work with leading scientists and people affected by dementia to ensure our research influences practice and transforms lives. With the right investment, dementia can be defeated.
http://www.alzheimers.org.uk/research
If you have found this tool useful please consider donating to our research programme by following this link
https://www.alzheimers.org.uk/site/scripts/xforms_form.php?formID=164
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Who are we?
Alzheimer's Society is the leading support and research charity for people with dementia, their families and carers.
There are 800,000 people with dementia in the UK with numbers set to rise to one million by 2021.
What is dementia?
The term 'dementia' is used to describe the symptoms that occur when the brain is affected by specific diseases and conditions. Symptoms of dementia include loss of memory, confusion and problems with speech and understanding.
Support the fight against dementia and visit us at
http://www.alzheimers.org.uk
Alzheimer's Society
Leading the fight against dementia
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© Alzheimer's Society 2012. Registered Charity No. 296645.
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